Mfarhanonline Mobile Messenger provides a universal instant messaging platform that works seamlessly across your desktop and mobile phone, fully integrated with your address book. You an also log into other popular Instant Messaging services such as MSN, AIM, and Yahoo Messenger! and chat while you walk. The Mfarhanonline Mobile Messenger is a multi-net application that you can use intuitively for the main thing that you want such an application for: Chat with your buddies.

Meebo is a new communications and media company that’s re-writing the way people have conversations and communicate on the Web. We provide instant messaging and group chat to over 40 million people at meebo.com and via partner sites across the Web.
At meebo.com, millions of people every month keep in touch with friends on an any IM network (AIM, Yahoo!, MSN, Google Talk and Gmail, MySpace IM, Facebook Chat, and more!) and chat with people in Meebo Rooms. Meebo also enables live communication integrated into any website with Meebo Rooms, …

eBuddy is a web & mobile messenger which supports various instant messaging services including Windows Live Messenger, Yahoo!, AIM, Google Talk, ICQ, Facebook, and MySpace IM.
eBuddy is a web browser-based instant messaging service that originally started as e-Messenger in 2003. It combines MSN, AOL, Google Talk, ICQ, Facebook and MySpace IM into a single web based interface. It is also available via mobile phones, independent of carrier or device via WAP or mobile internet browser.

A collection of Favorite startups and products for 2009 by Michael Arrington, it also shows a list from previous years…
From TechCrunch
At the beginning of each year I traditionally publish a list of my favorite startups and products. This is the fourth year I’ve done this – previous lists: 2006, 2007, 2008. You guys get to pick the winners of the Crunchies – this list is all mine…

Micro-blogging is a form of multimedia blogging that allows users to send brief text updates

Avast Home Edition is a complete ICSA & Checkmark certified antivirus, Checkmark certified anti-spyware & anti-rootkit package.
Avast includes the following components: On demand scanner with skinnable simple interface, just select what do you want to scan in which way and press the Play button; On access scanner, special providers to protect the most of available e-mail clients; Instant messaging – ICQ, Miranda; Network traffic-intrusion detection, lightweight firewall; P2P protection for Kazaa, BitTorrent; Web shield-monitors and filters all HTTP traffic; NNTP scanner-scans all Usenet Newsgroup traffic and all operations with files …

Trillian is a proprietary multiprotocol instant messaging application for Windows created by Cerulean Studios that can connect to multiple IM services, such as AIM, ICQ, Windows Live Messenger, Yahoo! Messenger, IRC, Novell GroupWise Messenger, Bonjour, Jabber, and Skype networks (the latter four with Trillian Pro which allows for additional plugins).

MySpaceIM is the official instant messaging client for the social networking site, MySpace.
Features
MySpaceIM integrates several features into the IM. Currently these are the features included:

Basic instant messaging to other MySpace users.
Shortcuts to MySpace.com features and profiles.
Imports friends from MySpace into your contacts list in MySpaceIM.
Instant alerts for all requests, messages, and comments.
Integrated music player, which plays your friends’ profile songs.
Switchable conversation views, such as: traditional IM, with pictures, or with cartoon-like balloons.
Skinnable interface.
Shareable custom backgrounds in message windows.

Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr.
Pidgin can log in to multiple accounts on multiple IM networks simultaneously. This means that you can be chatting with friends on AIM, talking to a friend on Yahoo Messenger, and sitting in an IRC channel all at the same time.